FT232RL datasheet(5/40 Pages) FTDI

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FT232R USB UART IC Datasheet

Version 2.16

Document No.: FT_000053 Clearance No.: FTDI# 38

Table of Contents

Typical Applications....................................................... 2

1.1 Driver Support ........................................................................... 2

1.2 Part Numbers............................................................................. 3

1.3 USB Compliant ........................................................................... 3

FT232R Block Diagram .................................................. 4

Device Pin Out and Signal Description........................... 7

3.1 28-LD SSOP Package.................................................................. 7

3.2 SSOP Package Pin Out Description............................................. 7

3.3 QFN-32 Package ........................................................................ 9

3.4 QFN-32 Package Signal Description ........................................... 9

3.5 CBUS Signal Options ................................................................ 11

Function Description ................................................... 12

4.1 Key Features ............................................................................ 12

4.2 Functional Block Descriptions .................................................. 13

Devices Characteristics and Ratings ............................ 15

5.1 Absolute Maximum Ratings...................................................... 15

5.2 DC Characteristics.................................................................... 15

5.3 EEPROM Reliability Characteristics .......................................... 17

5.4 Internal Clock Characteristics .................................................. 17

5.5 Thermal Characteristics ........................................................... 18

USB Power Configurations........................................... 19

6.1 USB Bus Powered Configuration ............................................. 19

6.2 Self Powered Configuration ..................................................... 20

6.3 USB Bus Powered with Power Switching Configuration ........... 21

6.4 USB Bus Powered with Selectable External Logic Supply ......... 22

Application Examples .................................................. 24

7.1 USB to RS232 Converter .......................................................... 24

7.2 USB to RS485 Converter .......................................................... 25

7.3 USB to RS422 Converter .......................................................... 26

7.4 USB to MCU UART Interface ..................................................... 27

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